CN101878077B - Twin-belt casting machine and method for casting continuous slab - Google Patents
Twin-belt casting machine and method for casting continuous slab Download PDFInfo
- Publication number
- CN101878077B CN101878077B CN2008801183905A CN200880118390A CN101878077B CN 101878077 B CN101878077 B CN 101878077B CN 2008801183905 A CN2008801183905 A CN 2008801183905A CN 200880118390 A CN200880118390 A CN 200880118390A CN 101878077 B CN101878077 B CN 101878077B
- Authority
- CN
- China
- Prior art keywords
- nozzle
- slab
- endless belt
- twin
- belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0605—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two belts, e.g. Hazelett-process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/0677—Accessories therefor for guiding, supporting or tensioning the casting belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/068—Accessories therefor for cooling the cast product during its passage through the mould surfaces
- B22D11/0685—Accessories therefor for cooling the cast product during its passage through the mould surfaces by cooling the casting belts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention provides a twin-belt casting machine and method for casting continuous slab. The twin-belt casting machine which eliminates uneven cooling of a slab between a pair of endless belts arranged vertically. A twin-belt belt casting machine (1) comprises a pair of rotary belt portions (3) respectively provided with an endless belt (2) and facing each other vertically, a cavity (4) formed between the pair of rotary belt portions (3), and cooling means (10) arranged in the respective rotary belt portions (3). In the twin-belt casting machine, a molten metal is supplied into the cavity (4) and cast into a slab (S) continuously. A distance adjusting means for making the endless belt (2) approach towards the slab (S) or recede therefrom depending on the separation distance between the slab (S) and the endless belt (2) is arranged in at least one of the rotary belt portions (3) facing each other vertically.
Description
Technical field
The present invention relates to a kind of twin belt caster and continuous slab casting method that block is cast continuously.
Background technology
The device of the block goods that are made up of aluminium, aluminium alloy etc. as continuous manufacturing (below be called slab), twin belt caster has been that people are known.Figure 17 is the figure of the existing twin belt caster of expression, (a) is side view, (b) is the enlarged drawing in the downstream of expression cavity.
Shown in figure 17, existing twin belt caster 1 is, in opposed a pair of rotating band portion 3 up and down, flow into motlten metal such as molten aluminium alloy, the device of continuous casting plate blank S (for example reference literature 1 and document 2) between 3.
Particularly, twin belt caster 1 comprises: have endless belt 2 and opposed up and down a pair of rotating band portion 3,3; At this a pair of rotating band portion 3, the cavity 4 that forms between 3; Be arranged on the not shown cooling body of the inside of rotating band portion 3.The downside endless belt 2a of the rotating band portion 3 of downside is made up of thin metallic plate, around driven roller 5a that is set up in separate configuration and backing roll 6a.On the other hand, the upside endless belt 2b of the rotating band portion 3 of upside is made up of thin metallic plate, around driven roller 5b that is set up in separate configuration and backing roll 6b.When driven roller 5a being turned clockwise and driven roller 5b is rotated counterclockwise, slab S is extruded to the downstream of casting direction continuously.
Not shown cooling body for example has the nozzle of ejection cooling water etc., forms cooling water etc. is supplied with at the back side of endless belt 2, makes the slab S cooling that is formed in the cavity 4.
Motlten metal is supplied to through injector 7 grades that are arranged on upstream side, moving with the endless belt 2 roughly the same speed that in cavity 4, move, and; Endless belt 2 is emitted heat on one side; One side cooled and solidified, by pinch roll 8 clampings such as grade, S is drawn out of as slab from the downstream.In addition, in following narration, the ingot bar of the state that does not solidify fully among the slab S is also referred to as ingot bar S.
Document 1: Japan special table 2004-505774 communique
Document 2: No. 2007/104156 brochure of International Publication
Existing twin belt caster 1 exists the slab S that extracts out from twin belt caster 1 promptly to produce the problem of so-called distortion in casting direction generation wave phenomenon.
As a reason that produces this wave phenomenon, think since up and down opposed pair of lower endless belt 2a and slab between the 2b of upside endless belt cool off unbalanced.That is, shown in Figure 17 (b), ingot bar S is in the upstream side of cavity 4, and the upper surface of ingot bar S contacts with upside endless belt 2b with downside endless belt 2a respectively with lower surface, but along with producing solidification shrinkage towards the downstream, so thickness of slab reduces.In the existing example shown in Figure 17 (b), in the downstream of cavity 4, the upper surface of ingot bar S and upside endless belt 2b leave the distance of Kb.Thus, the distance of the distance of the lower surface of ingot bar S and downside endless belt 2a and the upper surface of ingot bar S and upside endless belt 2b becomes unbalanced, causes the unbalanced of slab cooling.
When producing the wave phenomenon of ingot bar S owing to such slab cooling unbalanced, the ingot bar S in the cavity 4 produce fluctuation, and this vibration propagates into meniscus (meniscus) part, so there is the problem of the slab S generation blemish after the casting.In addition, the unbalanced of the Temperature Distribution of the width of slab S becomes significantly, and the possibility of thickness of slab characteristic variation improves.Therefore and the Temperature Distribution cyclically-varying of casting direction is difficult to control cycle of the surperficial calender, coiling machine etc. in the downstream that is arranged on twin belt caster 1.
Summary of the invention
From such viewpoint, problem of the present invention is to provide the unbalanced twin belt caster of the slab cooling of a pair of endless belt that a kind of elimination disposes up and down.In addition, problem of the present invention is to provide the unbalanced continuous slab casting method of the slab cooling of a pair of endless belt that a kind of elimination disposes up and down.
In order to solve such problem, the present invention provides a kind of twin belt caster, and it comprises: have endless belt and opposed up and down a pair of rotating band portion; Be formed on the cavity between this a pair of above-mentioned rotating band portion; Cooling body with the inside that is arranged on above-mentioned rotating band portion; This twin belt caster is supplying melting metal in above-mentioned cavity; And continuous casting plate blank; This twin belt caster is characterised in that: at least one side's of opposed a pair of above-mentioned rotating band portion set inside up and down distance adjusting mechanism is arranged, this distance adjusting mechanism makes above-mentioned endless belt leave or approaching above-mentioned slab from above-mentioned slab according to above-mentioned slab and above-mentioned endless belt separated portions.
According to this structure, though slab solidification shrinkage and thickness of slab attenuation, but owing to can regulate the distance of upper surface of distance and upside endless belt and slab of the lower surface of downside endless belt and slab, so also can eliminate unbalanced that slab cools off.
In addition; Preferably; Above-mentioned cooling body of the present invention is arranged in the casing, and has a plurality of nozzles, and this nozzle is provided with the support that supports above-mentioned endless belt from the inboard; Above-mentioned distance adjusting mechanism has the elevating mechanism that said nozzle is gone up and down, and is formed with to above-mentioned endless belt opening and flows out the through hole of above-mentioned cooling medium at the above-mentioned support of said nozzle.
According to this structure, the cooling medium that flows out from nozzle makes the endless belt cooling, and utilizes elevating mechanism to make by the endless belt of the support part supports of nozzle the distance that can regulate slab and endless belt thus.
In addition, preferably, above-mentioned elevating mechanism of the present invention has: a distolateral cylinder that is arranged on said nozzle; The piston that in this cylinder, slides; With the piston rod that links this piston and said nozzle, above-mentioned elevating mechanism utilizes pressure to go up and down.According to this structure, can constitute elevating mechanism with simpler structure.
In addition, preferably, above-mentioned piston rod of the present invention portion within it has hollow bulb, and said nozzle is supplied with above-mentioned cooling medium.According to this structure,, can constitute cooling body with less components number through supplying with cooling medium via piston rod.
In addition, preferably, above-mentioned elevating mechanism of the present invention has: spread all over a plurality of said nozzles and the connecting rod installed; Be arranged near the cylinder of above-mentioned connecting rod; The piston that in this cylinder, slides; With the piston rod that links this piston and above-mentioned connecting rod, above-mentioned elevating mechanism utilizes pressure that said nozzle is gone up and down.
According to this structure, because have the connecting rod that links a plurality of nozzles, thus can make a plurality of nozzle one liftings, to regulate the distance of endless belt and slab.Thus, can carry out the high distance adjustment of precision with simple structure.
In addition, preferably, above-mentioned elevating mechanism of the present invention has: be arranged on the inside of said nozzle and to the elastomeric element of this nozzle to the above-mentioned endless belt side application of force; Spread all near the of a plurality of said nozzles and the slider bar of configuration; With the holding section that is formed at said nozzle; Above-mentioned slider bar is relatively slided on transverse direction with respect to said nozzle and is moved; Thus, the length direction that spreads all over above-mentioned slider bar is with outstanding protuberance in the interval of regulation and the above-mentioned holding section engaging corresponding with this protuberance, said nozzle decline.
According to this structure, through being slided, slider bar moves, can make a plurality of nozzle one liftings, to regulate the distance of endless belt and slab.Thus, can carry out the high distance adjustment of precision with simple structure.
In addition, preferably, above-mentioned slider bar of the present invention is slided mobile through feed screw.According to this structure, can slider bar be slided with simple structure and move.
In addition, preferably, be provided with the inserting hole that above-mentioned slider bar is passed through, in the gap of above-mentioned inserting hole and above-mentioned slider bar, be provided with O shape ring at the outer wall of above-mentioned casing of the present invention.According to this structure, can be airtight reliably to carrying out in the casing.
In addition, preferably, above-mentioned distance adjusting mechanism of the present invention utilizes electromagnetic force that above-mentioned endless belt is left or approaching above-mentioned slab from above-mentioned slab.According to this structure, can regulate the distance of slab and endless belt with simpler structure.
In addition, preferably, above-mentioned distance adjusting mechanism of the present invention makes the part of above-mentioned endless belt leave or approaching above-mentioned slab from above-mentioned slab on the width of above-mentioned slab.According to this structure; Even width at slab; The distance of the upper surface of the distance of the lower surface of downside endless belt and slab and upside endless belt and slab exists unbalanced, but because therefore the distance that can regulate each also can eliminate the unbalanced of slab cooling.
In addition; The present invention provides a kind of continuous slab casting method; It is to making a pair of endless belt opposed up and down and supplying melting metal and continuous casting plate blank in the cavity that forms; This continuous slab casting method is characterised in that: according to above-mentioned slab and above-mentioned endless belt separated portions, at least one side of a pair of above-mentioned endless belt is left or approaching above-mentioned slab from above-mentioned slab.
According to this structure, though slab solidification shrinkage and thickness of slab attenuation, but owing to can regulate the distance of upper surface of distance, upside endless belt and the slab of the lower surface of downside endless belt and slab, so also can eliminate unbalanced that slab cools off.
In addition, the present invention preferably in casting, casts above-mentioned slab when regulating effective cavity length.According to this structure, can suitably regulate the scope of cooling slab, casting has the slab of the character of expectation.
According to twin belt caster of the present invention, the slab cooling through eliminating a pair of endless belt of configuration up and down unbalanced can prevent the generation of the distortion of slab.In addition, according to continuous slab casting method of the present invention, the slab cooling through eliminating a pair of endless belt of configuration up and down unbalanced can be made the few slab of distortion.
Description of drawings
Fig. 1 is the enlarged drawing in downstream of cavity of the continuous slab casting method of expression first embodiment.
Fig. 2 is the enlarged drawing in downstream of cavity of the continuous slab casting method of expression second embodiment, the state when (a) expression is common, the state when (b) expression is risen.
Fig. 3 is the side view of the twin belt caster of expression the 3rd embodiment.
Fig. 4 is the plane of the cooling body of expression the 3rd embodiment.
Fig. 5 is the stereogram of the water supply of expression the 3rd embodiment with nozzle.
Fig. 6 is the figure of the elevating mechanism of expression the 3rd embodiment, the state when (a) expression is risen, the state when (b) expression descends.
Fig. 7 is a side the front elevation of end side of the slider bar of expression the 3rd embodiment.
Fig. 8 is the downstream that is illustrated in the cavity of the 3rd embodiment, the side view of the released state of endless belt (the I-I alignment apparent direction of Fig. 4).
Fig. 9 is the downstream that is illustrated in the cavity of the 4th embodiment, the side view of the released state of endless belt.
Figure 10 is the side cross-sectional view of first variation of expression elevating mechanism, the state when (a) the expression nozzle rises, the state when (b) the expression nozzle descends.
Figure 11 is the front elevation of first variation of expression elevating mechanism.
Figure 12 is the side cross-sectional view of second variation of expression elevating mechanism, the state when (a) the expression nozzle rises, the state when (b) the expression nozzle descends.
Figure 13 is the side cross-sectional view of the 3rd variation of expression elevating mechanism, the state when (a) the expression nozzle rises, the state when (b) the expression nozzle descends.
Figure 14 is the side cross-sectional view of the 4th variation of expression elevating mechanism, the state when (a) the expression nozzle rises, the state when (b) the expression nozzle descends.
Figure 15 is the side view of the twin belt caster of expression the 5th embodiment.
Figure 16 is the enlarged drawing in downstream of the cavity of expression the 5th embodiment.
Figure 17 is the figure of the existing twin belt caster of expression, and (a) expression side view (b) is the enlarged drawing in the downstream of expression cavity.
Symbol description
1 twin belt caster
2 endless belts
2a downside endless belt
2b upside endless belt
3 rotating band portions
4 cavitys
The 5a driven roller
The 5b driven roller
The 6a backing roll
The 6b backing roll
7 injectors
10 cooling bodies
11 elevating mechanisms (distance adjusting mechanism)
12 supply water uses nozzle
13 cooling tanks
14 feed pipes
The 14b feed pipe
21 through holes
24 holding sections
31 elastomeric elements
32 slider bar
The 32b protuberance
62 cylinders
63 pistons
The 63a hollow bulb
64 piston rods
81 O shapes ring
82 feed screws
90 electromagnet (distance adjusting mechanism)
The L separating part
S slab (ingot bar)
The Q casing
The specific embodiment
In the explanation of embodiment of the present invention, at first, carry out the explanation of continuous slab casting method, the detailed structure to twin belt caster describes afterwards.The schematic configuration of the twin belt caster that in the continuous slab casting method, uses and twin belt caster shown in Figure 17 1 are roughly the same, therefore omit detailed explanation.In addition,, understand the engineer's scale of suitable change vertical direction and horizontal direction and representing easily in order to make explanation for the accompanying drawing that in this explanation, uses.
(first embodiment)
As shown in Figure 1, the continuous slab casting method of first embodiment is characterised in that, a part that makes downside endless belt 2a (the interior side direction of downside endless belt 2a) downwards moves.Fig. 1 is the enlarged drawing in downstream of the cavity in the continuous slab casting method of expression first embodiment.In addition, in the accompanying drawings, above-below direction, casting direction upstream side and downstream are shown in the arrow of Fig. 1.
In the continuous slab casting method of this embodiment, as shown in Figure 1, in the upper surface and upside endless belt 2b separated portions L of ingot bar S, make downside endless belt 2a than descending relatively with the height and position that downside endless belt 2a contacts at upstream side ingot bar S.Thus, can eliminate the unbalanced of slab cooling.
In addition, the displacement of downside endless belt 2a preferably, from upper surface 2b of ingot bar S to the upside endless belt apart from Kb with from lower surface 2a of ingot bar S to the downside endless belt apart from Ka about equally.Through making apart from Ka and about equally, can realize the equilibrium of slab cooling of upper surface and the lower surface of ingot bar S apart from Kb.
At this, the upper surface of ingot bar S and upside endless belt 2b separated portions L (below be also referred to as separating part L) be meant, from ingot bar S since solidification shrinkage and original position L1 that thickness of slab begins to reduce to the scope of the terminal L2 of cavity 4.The total length that the part that downside endless belt 2a is descended preferably spreads all over separating part L descends, but also can be the part of separating part L.In addition, the structure that makes the distance adjusting mechanism that downside endless belt 2a descends is narrated in the back.
(second embodiment)
As shown in Figure 2, the continuous slab casting method of second embodiment is with the difference of first embodiment, and the part of upside endless belt 2b is moved to top (the interior side direction of upside endless belt 2b).Fig. 2 is the enlarged drawing in downstream of the cavity in the continuous slab casting method of expression second embodiment, the state when (a) expression is common, the state when (b) expression is risen.
For example; Shown in Fig. 2 (a); The chilling temperature of the not shown cooling body in making the rotating band portion 3 that is arranged on upside is lower than under the situation of chilling temperature of the not shown cooling body in the rotating band portion 3 that is arranged on downside; Because the solidification shrinkage of ingot bar S, thickness of slab reduces, the possibility that exists the lower surface of ingot bar S to separate with downside endless belt 2a.
Under these circumstances, shown in Fig. 2 (b), in the lower surface of ingot bar S and separating part L that downside endless belt 2a separates, make upside endless belt 2b than rising relatively with the height and position that upside endless belt 2b contacts at upstream side ingot bar S.Thus, can eliminate the unbalanced of slab cooling.
In addition, the displacement of upside endless belt 2b preferably, from lower surface 2a of ingot bar S to the downside endless belt apart from Ka and from upper surface 2b of ingot bar S to the upside endless belt apart from Kb about equally.Thus, because and about equally, so can realize the equilibrium of slab cooling of upper surface and the lower surface of ingot bar S apart from Kb apart from Ka.
In addition, in first embodiment and second embodiment, endless belt 2 is separated from ingot bar S, but be not limited thereto, the distance adjusting mechanism of stating after also can utilizing makes endless belt 2 near ingot bar S, and realizes the equilibrium of distance.
(the 3rd embodiment)
Then, the structure to the twin belt caster 1 of the 3rd embodiment of the present invention is elaborated.Fig. 3 is the side view of the twin belt caster of expression the 3rd embodiment.Fig. 4 is the plane of the cooling body of expression the 3rd embodiment.Fig. 5 is the stereogram of the water supply of expression the 3rd embodiment with nozzle.Fig. 6 is the figure of the elevating mechanism of expression the 3rd embodiment, the state when (a) expression is risen, the state when (b) expression descends.Fig. 7 is a side the front elevation of end side of the slider bar of expression the 3rd embodiment.Fig. 8 is the downstream that is illustrated in the cavity of the 3rd embodiment, the side view of the released state of endless belt.
As shown in Figure 3, the twin belt caster 1 of this embodiment is provided with the injector 7 of supplying melting metal at upstream side, is provided with a pair of pinch roll 8 that the slab S after the casting is carried out clamping in the position of regulation in the downstream.That is, twin belt caster 1 is made as follows: will cavity 4, cool off, be shaped from the motlten metal that injector 7 is supplied with, the slab S that will solidify side downstream extracts out continuously.
In more detail, twin belt caster 1 mainly comprises: have endless belt 2 and opposed up and down a pair of rotating band portion 3,3; Be formed on this a pair of rotating band portion 3, the cavity between 34; Be arranged on the cooling body 10 of the inside of rotating band portion 3; With elevating mechanism 11 as distance adjusting mechanism.
The downside endless belt 2a of the rotating band portion 3 of downside is made up of thin metallic plate in a pair of rotating band portion 3,3, around driven roller 5a that is set up in separate configuration and backing roll 6a.
On the other hand, the upside endless belt 2b of the rotating band portion 3 of upside is made up of thin metallic plate, around driven roller 5b that is set up in separate configuration and backing roll 6b.When driven roller 5a being turned clockwise and driven roller 5b is rotated counterclockwise, slab S is continuously extruded to the downstream of casting direction.
As shown in Figure 3, cooling body 10 and elevating mechanism 11 are disposed at the inside (interior all sides) of a pair of endless belt 2 respectively, and are surrounded by casing Q.The cooling body 10 of the cooling body 10 of upside and elevating mechanism 11 and downside and elevating mechanism 11 except configuration towards all identical, therefore, in explanation, use the cooling body 10 and the elevating mechanism 11 of downside.
Like Fig. 3～shown in Figure 6, the cooling water as cooling medium is flowed out at the back side of cooling body 10 2a from the downside endless belt, makes ingot bar S cooling.Cooling body 10 mainly has in this embodiment: make a plurality of nozzles (supplying water with nozzle 12) that cooling water flow out of; The cooling tank 13 (with reference to Fig. 7) of storage cooling water; Cooling tank 13 is supplied with the not shown pump of cooling water; With binding cooling tank 13 and the feed pipe 14b that supplies water with nozzle 12.
Supply water the back side with nozzle 12 2a in the downside endless belt separates fine gap and is configured, and has to make to cooling water flow out of and cool off downside endless belt 2a and the effect of supporting downside endless belt 2a.As shown in Figure 4, supply water with nozzle 12 in this embodiment, rounded when the plane is seen, and be configured to staggered.
Like Fig. 5 and shown in Figure 6, supplying water is communicated with cooling tank with nozzle 12, and is set to cover the top from the outstanding feed pipe 14b of the upper substrate 13a of cooling tank.Supply water and have: main part 22 with nozzle 12; Be formed on the support 23 on the top of main part 22; Holding section 24 with the bottom that is formed on main part 22.Water supply is tubular with the main part 22 of nozzle 12.Main part 22 forms, and week contacts with the periphery on the top of feed pipe 14b in it, and feed pipe 14b slides at above-below direction relatively relatively.
Like Fig. 5 and shown in Figure 6, the back side of support 23 and downside endless belt 2a separate fine gap and relatively to, play effect across cooling water supporting downside endless belt 2a.In addition, the through hole 21 that is provided with downward side endless belt 2a opening and is communicated with in the central authorities of support 23 with feed pipe 14b.
Holding section 24 be with after the position that engages of the slider bar 32 stated.Setting is protruded laterally from the outer peripheral face of main part 22 in holding section 24, in this embodiment, forms circular.The shape of holding section 24 is unqualified, suitably sets according to the shape of the protuberance 32b of the position of slider bar 32 and slider bar 32 etc. to get final product.
Like Fig. 4～shown in Figure 6, adjacent water supply is with in the nozzle 12, and the upper surface of support 23 is formed on a face, and adjacent support 23 to separate fine gap configuration each other be staggered.In addition, as shown in Figure 4, adjacent support 23 against each other to the position below, be formed with osculum 25.Osculum 25 is connected with the not shown drainpipe that connects cooling tank.Drainpipe is connected with the not shown pump of the below that is configured in cooling tank, forms discharge water to be circulated as cooling water once more.
That is, supply to the cooling water in the cooling tank, flow out from the back side of through hole 21 downward side endless belt 2a via feed pipe 14b and main part 22 through not shown pump.The water quench downside endless belt 2a that flows out from through hole 21, afterwards as discharge water from gap inflow osculum 25 and the drainpipe of adjacent water supply with nozzle 12,12, be directed to not shown pump.
Like this, water supply is configured to staggered with nozzle 12, can dispose the through hole 21 that flows out cooling water thus densely, therefore can cool off accurately.
At this, with a plurality of water supply with the arrangement of the width of nozzle 12 as " row ".In this embodiment, will be configured with being listed in of constituting of nozzle 12 by a plurality of water supply with staggering each other on the width, for example dispose 17 row (being 9 row among Fig. 4).The row of the nozzle that is made up of with nozzle 12 a plurality of water supply are set to several row, suitably set according to the length of cavity 4 to get final product.
The known thermoregulation mechanism of the temperature of regulating cooling water also can be set in not shown coolant pump or cooling tank in addition.Thus, can regulate the temperature of cooling water as required, the change cooling velocity.
Elevating mechanism 11 plays the effect of supplying water and going up and down with nozzle 12 that makes.Shown in Fig. 6 (a), elevating mechanism 11 has in this embodiment: be arranged on the elastomeric element 31 of water supply with the inside of nozzle 12; To the slider bar 32 of each water supply with the row configuration of nozzle 12; With the inhibition part 33 that floats that suppresses slider bar 32.
Elastomeric element 31 is arranged on the inside of supplying water with nozzle 12, plays supplying water with nozzle 12 with respect to the effect of feed pipe 14b to top (slab side direction) the relative application of force.Elastomeric element 31 uses the rubber components of ring-type in this embodiment, the upper end butt of the lower surface of this rubber components and feed pipe 14b, and the back side butt of the upper surface of rubber components and support 23.Elastomeric element 31 uses rubber components in this embodiment, but is not limited thereto, and for example also can use helical spring etc.
As shown in Figure 4, slider bar 32 according to the bar-shaped parts of every row configuration, is to move the parts that a plurality of water supply are descended with nozzle 12 together through on width, sliding for to spread all over a plurality of water supply adjacent on width with nozzle 12.Shown in Fig. 5 and Fig. 6 (a), slider bar 32 has: along adjacent water supply with the axial region 32a that extends setting directly over the holding section 24 of nozzle 12; With the protuberance 32b that gives prominence to setting at axial region 32a with the interval of regulation downwards.Protuberance 32b gives prominence to downwards and forms from the lower surface of axial region 32a, separates with adjacent water supply and disposes with roughly the same interval, the interval of nozzle 12.In this embodiment, protuberance 32b forms trapezoidal when the cross section is seen.In addition, the height of protuberance 32b (distance from the lower surface of axial region 32a to the lower end of protuberance 32b) equates with the dropping distance that supplies water with nozzle 12, therefore cooperates the suitable setting of the dropping distance of hoping to get final product.
Like Fig. 5 and shown in Figure 6, suppress part 33 for being used to prevent the parts that float of slider bar 32, in this embodiment, for being the parts of contrary L word shape.Suppress part 33 by forming roughly vertical vertical portion 33a and constituting from the extension 33b that upper end and the vertical portion 33a of vertical portion 33a vertically stretches out.The upper surface of the upper substrate 13a of cooling tank is fixed in the lower end of vertical portion 33a.Supply water with nozzle 12 by elastomeric element 31 to the top application of force, therefore, the lower surface of extension 33b always forms the upper surface butt with slider bar 32.Suppress part 33 and in this embodiment, form in such a manner, but so long as can prevent the structure of floating of slider bar 32, then also can be alternate manner.
Then, use Fig. 4 and Fig. 7 that the structure of casing Q is described.Casing Q surrounds cooling body 10 and forms with elevating mechanism 11.Be formed with slider bar 32 at the outer wall Qa of casing Q and insert logical inserting hole 83.In the gap of inserting hole that is formed at outer wall Qa 83 and slider bar 32, be formed with O shape ring 81.Utilizing O shape to encircle 81 can be airtight to carrying out reliably in the casing Q.
In the end of slider bar 32 feed screw 82 is installed, slider bar 32 forms in the scope of regulation, flatly to slide and moves.In this embodiment, the sliding distance of feed screw 82 is set to the roughly half the distance of adjacent water supply with 12,12 distances of nozzle.Feed screw 82 forms according to following mode in this embodiment: be connected with not shown control device, based on the signal that transports from this control device, single or a plurality of slider bar 32 are slided on width and are moved (come and go and move).
Then, the action to the elevating mechanism 11 of the twin belt caster 1 of this embodiment describes.
As shown in Figure 6, elevating mechanism 11 through the slip of slider bar 32 move will supply water with nozzle 12 downwards (the interior side direction of downside endless belt 2a) push.That is, under common state, shown in Fig. 6 (a), the protuberance 32b of slider bar 32 is configured in adjacent water supply with nozzle 12, between 12.
When water supply is descended with nozzle 12, make feed screw 82 (with reference to Fig. 7) action, slider bar 32 is slided in the horizontal direction move.Thus, shown in Fig. 6 (b), holding section 24 is pressed downwards and the corresponding amount of the height of protuberance 32b, supplies water to descend relatively with the height and position of nozzle 12 than slider bar 32.
On the other hand, when water supply is risen with nozzle 12, under the state that has descended with nozzle 12 that supplies water, make feed screw 82 actions, slider bar 32 is slided in the horizontal direction move.Therefore thus, protuberance 32b is configured in adjacent water supply with nozzle 12, between 12, and supplying water is pushed to the top by elastomeric element 31 with nozzle 12, rises relatively than the height and position of slider bar 32.In addition, in this embodiment, it is trapezoidal that the shape of protuberance 32b is formed when the cross section is seen, therefore, through the slip of trapezoidal hypotenuse and holding section 24, can make and supply water to go up and down smoothly with nozzle 12.
Then, use Fig. 8 that the lifting action of downside endless belt 2a is described.
In the present embodiment; The chilling temperature of the cooling body 10 of upside and the cooling body 10 of downside is set at roughly the same; Because the solidification shrinkage of ingot bar S, the thickness of slab of ingot bar S reduces, and formation is apart from the gap of Kb between the upper surface of ingot bar S and upside endless belt 2b.So, in this embodiment,, downside endless belt 2a is descended gets final product at separating part L.In addition, the slip of the thickness of slab of ingot bar S is about about 1.5～2.0%.
In the present embodiment, the upper surface of ingot bar S is set at the separating part L that upside endless belt 2b separates, from ingot bar S since solidification shrinkage and original position L1 that thickness of slab begins to reduce to the water supply that is configured in downstream with the terminal L2 of nozzle 12.
Utilize not shown control device, the water supply that is disposed in the 2a of downside endless belt is sent signal with feed screw corresponding with separating part L in the nozzle 12 82 (with reference to Fig. 7), corresponding slider bar 32 is slided on width move.Thus, the water supply in the separating part L is with nozzle 12 dropping distance Ka.That is, follow the water supply that is configured in the 2a of downside endless belt decline, the downside endless belt 2a distance identical that also descend with it with nozzle 12.
According to the twin belt caster 1 of above explanation, can with from upper surface 2b of ingot bar S to the upside endless belt apart from Kb, from lower surface the forming about equally of ingot bar S to downside endless belt 2a apart from Ka.Thus, can eliminate slab cooling unbalanced of upper surface and the lower surface of ingot bar S, therefore can suppress the distortion of slab S, improve the quality of slab S.
In addition, because can eliminate the distortion of slab S,, can prevent the generation of blemish so the vibration that is caused by this distortion propagates into meniscus possibility reduction partly.In addition, can be configured the processing of surperficial calender in the downstream of twin belt caster 1, coiling machine etc. well.
In addition, can use slider bar 32 to make to be disposed at a plurality of water supply of width to go up and down by every row, therefore, can corresponding a plurality of water supply descended together with nozzle 12 according to the separating part L that sets with nozzle 12.Thus, can improve the efficient of descending operation.In addition, move, can in the effective cavity length of change, operate through corresponding slider bar 32 is suitably slided.
(the 4th embodiment)
Then, use Fig. 9 that the 4th embodiment that is gone up and down in the upside endless belt is described.Fig. 9 is the downstream that is illustrated in the cavity of the 4th embodiment, the side view of the released state of endless belt.
In the 3rd embodiment, the chilling temperature of the cooling body 10 of cooling body of upside 10 and downside is set at about equally, but in the 4th embodiment, is to make the chilling temperature of the cooling body 10 of upside to descend with the 3rd embodiment difference.Under these circumstances, as shown in Figure 2, between the lower surface of ingot bar S and the downside endless belt 2a to be formed with the gap apart from Ka.
So, in the 4th embodiment,, upside endless belt 2b rising (upwards the interior side direction of side endless belt 2b moves) is got final product at separating part L.Follow a plurality of water supply of being configured in the 2b of upside endless belt rising, the upside endless belt 2b distance identical that also rise with it with nozzle 12.The up-down structure of upside endless belt 2b and downside endless belt 2a are roughly the same, therefore omit explanation.
At this, the elevating mechanism 11 of above-mentioned the 3rd embodiment and the 4th embodiment constitutes with slider bar 32 grades by being arranged on the elastomeric element 31 of water supply with the inside of nozzle 12, but is not limited to this, also can be other mode.Below, the variation of expression elevating mechanism.
(first variation)
Figure 10 is the side cross-sectional view of first variation of expression elevating mechanism, the state when (a) the expression nozzle rises, the state when (b) the expression nozzle descends.Figure 11 is the front elevation of first variation of expression elevating mechanism.
Elevating mechanism 40 shown in first variation is characterised in that to have piston mechanism.That is, elevating mechanism 40 comprises: spread all over the connecting rod 41 that adjacent a plurality of water supply are installed with nozzle 12; Be arranged on the cylinder 42 of the below of this connecting rod 41; The piston 43 that in this cylinder 42, slides; With the piston rod 44 that is connected piston 43 and connecting rod 41.Elevating mechanism 40 separates the upper surface that certain space carries the upper substrate 13a that puts at cooling tank in the bottom surface of cylinder 42.
Like Figure 10 and shown in Figure 11, connecting rod 41 is for spreading all in the adjacent water supply of the width of twin belt caster 1 with nozzle 12,12 ... And the cross section of installing is the bar-shaped parts of rectangle.Connecting rod 41 utilizes piston mechanism to realize making a plurality of water supply with the effect of nozzle 12 by row one lifting.The upper end butt of the lower surface of connecting rod 41 and piston rod 44.In the lower surface of connecting rod 41, engage with the holding section 24 of supplying water to the outstanding 41a of edge portion of width with nozzle 12 from piston rod 44.
Same with the 3rd embodiment, supply water and inserted logical by the top of feed pipe 14 with the mode that can slide at above-below direction with nozzle 12.Supplying water with the flexible parts 31 of the set inside of nozzle 12.Elastomeric element 31 uses the rubber components of ring-type, its lower end and feed pipe 14 butts, upper end and the inboard butt of water supply with the support 23 of nozzle 12.Elastomeric element 31 with respect to 14 pairs of water supply of feed pipe with nozzle 12 to the relative application of force in top.
Cylinder 42 is for being the parts of substantial cylindrical shape, form piston 43 within it portion slide along the vertical direction.Piston 43 forms littler than the volume of the inside of cylinder 42, between the top of piston 43 and cylinder 42, is formed with first discharge chambe 46, between the bottom of piston 43 and cylinder 42, is formed with second discharge chambe 47.Sidewall at cylinder 42 is formed with the hole 46a that is communicated with first discharge chambe 46, is formed with the hole 47a that is communicated with second discharge chambe 47 in the bottom surface of cylinder 42.
According to this elevating mechanism 40, through first discharge chambe 46 and second discharge chambe 47 are applied or remove pressure each other, piston 43 goes up and down with piston rod 44.That is, when water supply is descended with nozzle 12, shown in Figure 10 (b), first discharge chambe 46 is exerted pressure, remove pressure from second discharge chambe 47, thus, piston 43 descends with piston rod 44.Thereupon, the water supply that engages with connecting rod 41 is pressed with the holding section 24 of nozzle 12, descends with nozzle 12 so can make to supply water.
On the other hand, when water supply is risen with nozzle 12, second discharge chambe 47 is exerted pressure, remove pressure from first discharge chambe 46, thus, piston 43 rises with piston rod 44., push to top (slab side direction) with nozzle 12 thereupon, therefore can make and supplying water with nozzle 12 risings owing to being arranged on the power that the elastomeric element 31 of water supply with the inside of nozzle 12 applies, will supplying water.
In addition, irrelevant to kinds such as first discharge chambe 46 and second discharge chambe, 47 applied pressures and oil pressure, air pressure, hydraulic pressure.In addition, elevating mechanism 40 be preferably formed into, be connected with not shown control device, according to separating part L (with reference to Fig. 8) corresponding connecting rod 41 is gone up and down.
(second variation)
Figure 12 is the side cross-sectional view of second variation of expression elevating mechanism, the state when (a) the expression nozzle rises, the state when (b) the expression nozzle descends.The elevating mechanism 50 of second variation and the difference of first variation are, are provided with extensible member 51 at second discharge chambe 47.That is, extensible member 51 for example is made up of helical spring, forms the lower surface butt of its upper end and piston 43, and the bottom butt of lower end and cylinder 42 is to the top application of force.Extensible member 51 has used helical spring in this embodiment, but also can use other extensible member.The structure and first variation beyond the extensible member 51 of elevating mechanism 50 are roughly the same, so detailed.
According to this elevating mechanism 50, when water supply is descended with nozzle 12, shown in Figure 12 (b), first discharge chambe 46 is exerted pressure, piston 43 and piston rod 44 are descended.Thus, water supply is descended with nozzle 12.On the other hand, when water supply is risen with nozzle 12, shown in Figure 12 (a); Remove pressure from first discharge chambe 46; The power of utilizing extensible member 51 to apply thus, piston 43 rises with piston rod 44, and the power that can utilize elastomeric element 31 to apply makes water supply rise with nozzle 12.
(the 3rd variation)
Figure 13 is the side cross-sectional view of the 3rd variation of expression elevating mechanism, the state when (a) the expression nozzle rises, the state when (b) the expression nozzle descends.The elevating mechanism of in the 3rd variation, representing 60 is characterised in that, piston mechanism is arranged on the inside of cooling tank 13, supplies with cooling waters via piston rod 64.
Elevating mechanism 60 comprises below supplying water with nozzle 12: the cylinder 62 that is arranged on the inside of cooling tank 13; The piston 63 that in this cylinder 62, slides; Supply water with nozzle 12 with cooling water is supplied to, and link piston 63 and the piston rod 64 that supplies water with nozzle 12.
In addition, be formed with in the inside of piston 63 at the continuous hollow bulb 63a of vertical direction.Bottom at hollow bulb 63a is formed with, and will import the first interconnecting part 63b and the second interconnecting part 63c of hollow bulb 63a from the cooling water that cooling tank 13 flows into.The first interconnecting part 63b is the space that is formed on the ring-type between the outer peripheral face of inner peripheral surface and piston 63 of cylinder 62, extends upward setting along the medial surface of cylinder 62 at upper and lower.The first interconnecting part 63b forms, even piston 63 slides up and down, the part of the first interconnecting part 63b also always is communicated with hole 62a.The second interconnecting part 63c is the space segment that links the hollow bulb 63a and the first interconnecting part 63b.
According to this elevating mechanism 60, first discharge chambe 66 and second discharge chambe 67 are applied or remove pressure each other, piston 63 goes up and down with piston rod 64 thus, and supplies water and go up and down with nozzle 12.In addition; Like Figure 13 (a) with (b); In the elevating mechanism 60; Even piston rod 64 goes up and down, hole 62a, the first interconnecting part 63b, the second interconnecting part 63c and hollow bulb 63a that break-through is arranged at cylinder 62 also always are communicated with, and therefore can supply with cooling water with nozzle 12 via piston 63 and 64 pairs of water supply of piston rod.Like this,, can form elevating mechanism 60, can supply with cooling water, components number is reduced via piston 63 and piston rod 64 with simpler structure according to the 3rd variation.
In addition, the 3rd variation forms as stated, but is not limited to this mode.For example, in order to import cooling water to piston rod 64, as long as the hole 62a and the piston rod 64 that make break-through be arranged at cylinder 62 at least are communicated with from cooling tank 13.
(the 4th variation)
Figure 14 is the side cross-sectional view of the 4th variation of expression elevating mechanism, the state when (a) the expression nozzle rises, the state when (b) the expression nozzle descends.Be outside the elevating mechanism 70 of the 4th variation and the 3rd variation different, be provided with extensible member 69 at second discharge chambe 67.That is, extensible member 69 for example is made up of helical spring, forms the lower surface butt of upper end and piston 63, the bottom butt of lower end and cylinder 62, and to the top application of force.Extensible member 69 has used helical spring in this embodiment, but also can use other extensible member.Structure and the 3rd variation beyond the extensible member 69 of elevating mechanism 70 are roughly the same, therefore omit detailed explanation.
According to this elevating mechanism 70, when water supply is descended with nozzle 12, shown in Figure 14 (b), first discharge chambe 66 is exerted pressure, piston 63 and piston rod 64 are descended.Thus, water supply is descended with nozzle 12.On the other hand, when water supply is risen with nozzle 12, shown in Figure 14 (a), remove pressure from first discharge chambe 66, the power of utilizing extensible member 69 to apply thus rises piston 63 and piston rod 64, and water supply is risen with nozzle 12.
According to the first above variation～the 4th variation, can utilize pressure to make and supply water to go up and down with nozzle 12.So, also can make endless belt 2 near ingot bar S.For example; Describe with reference to Fig. 2 (a); Under the lower surface of ingot bar S and situation that downside endless belt 2a separates; Also can make downside endless belt 2a above the height and position that contacts with downside endless belt 2a at upstream side ingot bar S, move (rising), the lower surface of ingot bar S is contacted with downside endless belt 2a.Thus, make endless belt 2 also can eliminate the unbalanced of slab cooling near ingot bar S.
(the 5th embodiment)
Then, use Figure 15 and Figure 16 to describe in distance adjusting mechanism, using the 5th embodiment of electromagnetic force.
In the 3rd embodiment and the 4th embodiment, use elevating mechanism 11 as distance adjusting mechanism, downside endless belt 2a or upside endless belt 2b are gone up and down, but also can shown in the 5th embodiment, use electromagnetic force.
In addition, in the 5th embodiment, only in the rotating band portion 3 of downside, be provided with electromagnet 90, but also can electromagnet 90 be set in the rotating band portion 3 of upside.In addition, the shape of electromagnet 90, size etc. are suitably set according to length of cavity 4 etc. and are got final product.
More than, embodiment of the present invention is illustrated, but the invention is not restricted to above-mentioned embodiment, in the scope that does not break away from purport of the present invention, can suitably change.
For example, the cooling medium of cooling body uses liquid (water) in this embodiment, but also can be other liquid, gas etc.In addition,, the slip of slider bar used feed screw in moving, as long as but water supply is moved to transverse direction with nozzle, then also can be other mechanism.
In addition, in this embodiment, can eliminate the unbalanced of slab cooling through the distance of control endless belt and ingot bar, but be not limited thereto, also can use the not shown thermoregulation mechanism that is arranged at cooling body.For example, describe, make the temperature of the cooling medium of the cooling body that is arranged at upside be higher than the temperature of the cooling medium of the cooling body that is arranged at downside, can eliminate the unbalanced of slab cooling thus with reference to Fig. 2 (a).
In addition, serviceability temperature governor motion and distance adjusting mechanism unbalanced elimination simultaneously to realize that slab cools off.
In addition, in this embodiment, a plurality of water supply through making the width configuration that spreads all over slab with nozzle according to row one lifting, can be according to variation at the slab thickness of the casting direction of slab, unbalanced (with reference to the Fig. 8 etc.) that eliminates that slab cools off.
But, the invention is not restricted to this, the part of a plurality of nozzles of the width that is disposed at slab is gone up and down with respect to other nozzle.According to this structure; Even the distance of the upper surface of the distance of the lower surface of generation downside endless belt and slab and upside endless belt and slab is unbalanced on the width of slab; Also can regulate the distance of upper surface of distance and upside endless belt and slab of the lower surface of downside endless belt and slab, therefore can eliminate the unbalanced of slab cooling.
That is,, be formed at a plurality of protuberance 32b, the 32b of the slider bar 32 of the 3rd embodiment for example with reference to Fig. 6 ... Height form all and equate, but also can make the Level Change of protuberance 32b respectively.Thus, on the width of slab, can make the part of distance of endless belt and slab variable relatively.That is,, not only can tackle the caused slab cooling of the solidification shrinkage of casting direction unbalanced of slab, also can tackle the caused slab cooling of solidification shrinkage unbalanced of the width of slab through adopting such structure.
In addition; Under the situation of the 3rd above-mentioned variation and the 4th variation; With reference to Figure 13 and Figure 14, make the part of these elevating mechanisms 60,70 in a plurality of elevating mechanisms 60,70 of the width that is disposed at slab movable, can access same effect thus.
Claims (10)
1. twin belt caster, it comprises: have endless belt and opposed up and down a pair of rotating band portion; Be formed on the cavity between this a pair of said rotating band portion; With the cooling body of the inside that is arranged on said rotating band portion, this twin belt caster is supplying melting metal in said cavity, and continuous casting plate blank,
This twin belt caster is characterised in that:
In at least one side's of opposed a pair of said rotating band portion set inside up and down distance adjusting mechanism is arranged, this distance adjusting mechanism makes said endless belt leave or approaching said slab from said slab according to said slab and said endless belt separated portions,
Said cooling body is arranged in the casing, and has a plurality of nozzles, and this nozzle is provided with the support that supports said endless belt from the inboard,
Said distance adjusting mechanism has the elevating mechanism that said nozzle is gone up and down,
Be formed with to said endless belt opening and flow out the through hole of said cooling medium at the said support of said nozzle.
2. twin belt caster as claimed in claim 1 is characterized in that:
Said elevating mechanism has: a distolateral cylinder that is arranged on said nozzle; The piston that in this cylinder, slides; With the piston rod that links this piston and said nozzle, said elevating mechanism utilizes pressure that said nozzle is gone up and down.
3. twin belt caster as claimed in claim 2 is characterized in that:
Said piston rod portion within it has hollow bulb, and said nozzle is supplied with said cooling medium.
4. twin belt caster as claimed in claim 1 is characterized in that:
Said elevating mechanism has: spread all over a plurality of said nozzles and the connecting rod installed; Be arranged near the cylinder of said connecting rod; The piston that in this cylinder, slides; With the piston rod that links this piston and said connecting rod, said elevating mechanism utilizes pressure that said nozzle is gone up and down.
5. twin belt caster as claimed in claim 1 is characterized in that:
Said elevating mechanism has: be arranged on the inside of said nozzle and to the elastomeric element of this nozzle to the said endless belt side application of force; Spread all near the of a plurality of said nozzles and the slider bar of configuration; With the holding section that is formed at said nozzle,
Said slider bar relatively slide to move on transverse direction with respect to said nozzle, and thus, the length direction that spreads all over said slider bar is with outstanding protuberance in the interval of regulation and the said holding section engaging corresponding with this protuberance, said nozzle decline.
6. twin belt caster as claimed in claim 5 is characterized in that:
Said slider bar is slided mobile through feed screw.
7. like claim 5 or the described twin belt caster of claim 6, it is characterized in that:
Outer wall at said casing is provided with the inserting hole that said slider bar is passed through, and in the gap of said inserting hole and said slider bar, is provided with O shape ring.
8. twin belt caster as claimed in claim 1 is characterized in that:
Said distance adjusting mechanism makes the part of said endless belt leave or approaching said slab from said slab on the width of said slab.
9. continuous slab casting method, it utilizes the twin belt caster continuous casting plate blank, and this twin belt caster comprises: have endless belt and opposed up and down a pair of rotating band portion; Be formed on the cavity between this a pair of said rotating band portion; With the cooling body of the inside that is arranged on said rotating band portion, this twin belt caster is supplying melting metal in said cavity, and continuous casting plate blank,
This continuous slab casting method is characterised in that:
Said twin belt caster has distance adjusting mechanism at least one side's of opposed a pair of said rotating band portion set inside up and down,
Said cooling body is arranged in the casing, and has a plurality of nozzles, and this nozzle is provided with the support that supports said endless belt from the inboard,
Said distance adjusting mechanism has the elevating mechanism that said nozzle is gone up and down,
Be formed with to said endless belt opening and flow out the through hole of said cooling medium at the said support of said nozzle,
Utilize said distance adjusting mechanism,, at least one side of a pair of said endless belt is left or approaching said slab from said slab according to said slab and said endless belt separated portions.
10. continuous slab casting method as claimed in claim 9 is characterized in that:
In casting, when regulating effective cavity length, cast said slab.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007308228 | 2007-11-29 | ||
| JP2007-308228 | 2007-11-29 | ||
| PCT/JP2008/070075 WO2009069437A1 (en) | 2007-11-29 | 2008-11-05 | Twin-belt casting machine and method for casting continuous slab |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210279145.0A Division CN102806325B (en) | 2007-11-29 | 2008-11-05 | Twin-belt casting machine and method of continuous slab casting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101878077A CN101878077A (en) | 2010-11-03 |
| CN101878077B true CN101878077B (en) | 2012-11-21 |
Family
ID=40678339
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210279145.0A Expired - Fee Related CN102806325B (en) | 2007-11-29 | 2008-11-05 | Twin-belt casting machine and method of continuous slab casting |
| CN2008801183905A Expired - Fee Related CN101878077B (en) | 2007-11-29 | 2008-11-05 | Twin-belt casting machine and method for casting continuous slab |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210279145.0A Expired - Fee Related CN102806325B (en) | 2007-11-29 | 2008-11-05 | Twin-belt casting machine and method of continuous slab casting |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8176970B2 (en) |
| JP (1) | JP5120382B2 (en) |
| KR (1) | KR101195650B1 (en) |
| CN (2) | CN102806325B (en) |
| CA (1) | CA2707123C (en) |
| WO (1) | WO2009069437A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8662145B2 (en) | 2012-03-22 | 2014-03-04 | Novelis Inc. | Method of and apparatus for casting metal slab |
| WO2018099815A1 (en) * | 2016-11-29 | 2018-06-07 | Sms Group Gmbh | Clamping system for fastening a cooling unit to an encircling supporting element of a caterpillar-type casting machine, and method for fastening/releasing a cooling unit to/from an encircling supporting element of a caterpillar-type casting machine |
| MY195845A (en) * | 2017-04-11 | 2023-02-23 | Hazelett Strip Casting Corp | System and Method for Continuous Casting |
| US11000893B2 (en) | 2017-04-11 | 2021-05-11 | Hazelett Strip-Casting Corporation | System and method for continuous casting |
| CN106975660A (en) * | 2017-04-20 | 2017-07-25 | 深圳市中创镁工程技术有限公司 | A kind of magnesium alloy continuous casting tandem rolling device and magnesium alloy continuous casting method for tandem rolling |
| WO2019035046A1 (en) * | 2017-08-16 | 2019-02-21 | Novelis Inc. | Belt casting path control |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2640235A (en) * | 1949-06-02 | 1953-06-02 | Clarence W Hazelett | Metal manufacturing apparatus |
| ZA829156B (en) * | 1981-12-14 | 1983-10-26 | Hazelett Strip Casting Corp | Method and system for shaping the casting region in a twin-belt continuous casting machine for improving heat transfer and product uniformity and enhanced machine performance |
| US4658883A (en) * | 1981-12-14 | 1987-04-21 | Hazelett Strip-Casting Corporation | Systems for shaping the casting region in a twin-belt continuous casting machine for improving heat transfer and product uniformity and enhanced machine performance |
| US4674558A (en) | 1981-12-14 | 1987-06-23 | Hazelett Strip-Casting Corporation | Methods for shaping the casting region in a twin-belt continuous casting machine for improving heat transfer and product uniformity and enhanced machine performance |
| DE3366497D1 (en) * | 1982-01-22 | 1986-11-06 | Beecham Group Plc | Antibacterial agents, their preparation and use |
| JPS60130454A (en) * | 1983-12-16 | 1985-07-11 | Mitsubishi Heavy Ind Ltd | Belt cooler for belt type continuous casting machine |
| JP2634177B2 (en) * | 1987-11-09 | 1997-07-23 | 三菱重工業株式会社 | Belt holding device of belt type continuous casting machine |
| US6755236B1 (en) | 2000-08-07 | 2004-06-29 | Alcan International Limited | Belt-cooling and guiding means for continuous belt casting of metal strip |
| GB2366531B (en) * | 2000-09-11 | 2004-08-11 | Daido Metal Co | Method and apparatus for continuous casting of aluminum bearing alloy |
| US6789602B2 (en) * | 2002-02-11 | 2004-09-14 | Commonwealth Industries, Inc. | Process for producing aluminum sheet product having controlled recrystallization |
| JP3973540B2 (en) | 2002-11-07 | 2007-09-12 | 株式会社日軽テクノキャスト | Aluminum alloy sheet having excellent wear resistance and method for producing the same |
| SI1697069T1 (en) * | 2003-10-03 | 2009-12-31 | Novelis Inc | Belt casting of non-ferrous and light metals and apparatus therefor |
| AU2004313616B2 (en) * | 2004-01-14 | 2010-04-15 | Lamec Ag | Casting machine |
| ATE544547T1 (en) | 2006-03-16 | 2012-02-15 | Novelis Inc | BAND CASTING MACHINE WITH ADJUSTABLE CONTACT LENGTH WITH CAST METAL SLAB |
-
2008
- 2008-11-05 CN CN201210279145.0A patent/CN102806325B/en not_active Expired - Fee Related
- 2008-11-05 JP JP2009543737A patent/JP5120382B2/en not_active Expired - Fee Related
- 2008-11-05 CN CN2008801183905A patent/CN101878077B/en not_active Expired - Fee Related
- 2008-11-05 CA CA2707123A patent/CA2707123C/en not_active Expired - Fee Related
- 2008-11-05 KR KR1020107014236A patent/KR101195650B1/en not_active IP Right Cessation
- 2008-11-05 WO PCT/JP2008/070075 patent/WO2009069437A1/en active Application Filing
- 2008-11-05 US US12/745,399 patent/US8176970B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20100307713A1 (en) | 2010-12-09 |
| WO2009069437A1 (en) | 2009-06-04 |
| CN102806325A (en) | 2012-12-05 |
| JP5120382B2 (en) | 2013-01-16 |
| CN102806325B (en) | 2015-03-04 |
| JPWO2009069437A1 (en) | 2011-04-07 |
| US8176970B2 (en) | 2012-05-15 |
| KR101195650B1 (en) | 2012-10-30 |
| CA2707123A1 (en) | 2009-06-04 |
| KR20100087765A (en) | 2010-08-05 |
| CA2707123C (en) | 2012-09-18 |
| CN101878077A (en) | 2010-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101878077B (en) | Twin-belt casting machine and method for casting continuous slab | |
| CN100409975C (en) | Method and device for determining the position of the solidification point in a casting billet during continuous casting of liquid metals, in particular liquid steel work materials | |
| AU2007283438B2 (en) | Method of casting thin cast strip | |
| US3426836A (en) | Machine for the continuous casting of slabs between bands | |
| JP4598217B2 (en) | Metal strip continuous casting equipment | |
| CN102753285A (en) | Casting delivery nozzle | |
| US2127515A (en) | Method of producing solid metal of substantially constant cross section throughout its length directly from a mass of molten metal and to an apparatus therefor | |
| CA2056478C (en) | Adjustable mold for horizontal continuous casting apparatus | |
| JP4507887B2 (en) | Steel continuous casting method | |
| JPS6068145A (en) | Method and device for continuously casting metal | |
| RU2488460C2 (en) | Device relates to equipment for continuous or semi-continuous metal casting | |
| CN110026534B (en) | Quantitative bottom injection device for melting ingot making | |
| US6536506B2 (en) | Strip casting | |
| CN85106424A (en) | Band continuous cast method and equipment by metal, particularly steel | |
| US3627019A (en) | Method of casting a continuous series of slugs | |
| RU2550473C2 (en) | Casting hardware dummy bar | |
| CN113976842B (en) | Device for casting inner hole of hollow ingot | |
| CN111375737A (en) | Side pressure withdrawal and straightening machine, continuous casting machine and continuous casting method | |
| CN106029257B (en) | Oxide control system for continuously or semi-continuously casting molten metal mold | |
| AU642049B2 (en) | Tundish flow control | |
| CN217142283U (en) | Anti-clamping stagnation structure of inclined ejector block of die-casting die | |
| KR101406465B1 (en) | Segment for continuous casting | |
| CA3183892A1 (en) | Direct chill casting mold system | |
| SU1618497A1 (en) | Arrangement for supporting blank in continuous pouring of metals | |
| EP1018382A1 (en) | Method and device for continuous casting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20201105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |